non-breaking hyphen

例句：

1. 1.The non-breaking hyphen is a symbol that represents the union of two words without breaking their meaning.
   非断裂连字符是一种符号，表示两个单词合并在一起，而不会破坏它们的意义。
2. 2.In mathematics, the non-breaking hyphen is used to indicate that a number has been divided by zero.
   在数学中，非断裂连字符用于表示一个数除以零。
3. 3. The non-breaking hyphen is also used in some scientific fields to denote a change or transition between two states or conditions.
   在科学的某些领域，非断裂连字符用来表示两种状态或条件之间的变化或转变。